.loading {
  border: 16px solid #f3f3f3; /* Light grey */
  border-top: 16px solid #3498db; /* Blue */
  border-radius: 50%;
  width: 120px;
  height: 120px;
  position: absolute;
  left: calc(50% - 60px);
  top: calc(50% - 60px);
  animation: spin 2s linear infinite;
  box-sizing: border-box;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.viewContainer {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  background: rgba(128, 128, 128, 0.8);
}

.uiContainer {
  display: flex;
  align-items: stretch;
  flex-direction: column;
  justify-content: space-between;
  position: absolute;
  top: 5px;
  left: 5px;
  padding: 2px;
  border: 0px;
  box-sizing: border-box;
  z-index: 1000;
}

.uiGroup {
  background: rgba(128, 128, 128, 0.5);
  border-radius: 4px;
  margin: 2px;
}

.uiRow {
  display: flex;
  flex-direction: row;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  padding: 5px;
}

.mainUIRow {
  composes: uiRow;
  justify-content: space-around;
  max-width: 420px;
}

.planeUIRow {
  composes: uiRow;
  background: rgba(128, 128, 128, 0.5);
}

.layersUIRow {
  composes: uiRow;
  justify-content: space-around;
  max-width: 420px;
}

.progress {
  color: white;
  font-size: 200%;
  height: 100vh;
  width: 100vw;
  text-align: center;
  vertical-align: middle;
  line-height: 100vh;
}

.piecewiseWidget {
  flex: 1;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  z-index: 1000;
}

.logo {
  position: absolute;
  top: 5px;
  right: 5px;
  height: 2.0em;
  width: 2.0em;
  cursor: pointer;
  z-index: 100;
}

.fpsMonitor {
  position: absolute;
  top: 5px;
  right: 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  z-index: 101;
}

[itk-vtk-tooltip] {
    position: relative;
}
[itk-vtk-tooltip]::before {
    content: attr(itk-vtk-tooltip-content);
    visibility: hidden;
    position: absolute;
    top: 50%;
    right: calc(100% + 16px);
    width: 400%;
    padding: 4px 6px;
    text-align: center;
    text-transform: none;
    font-size: 0.9em;
    font-family: monospace;
    border-radius: 3px;
    background: rgba(0.9, 0.9, 0.9, 0.95);
    color: white;
    opacity: 0;
    transform: translate(15px, -50%);
    transition-property: all;
    transition-duration: 0.3s;
    transition-timing-function: ease-in-out;
    transition-delay: 0.8s;
    z-index: 1;
}

[itk-vtk-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translate(0, -50%);
}

[itk-vtk-tooltip-bottom]::before {
    top: calc(100% + 16px);
    left: 50%;
    right: initial;
    transform: translate(-50%, -15px);
}
[itk-vtk-tooltip-bottom]:hover::before {
    transform: translate(-50%, 0)
}
[itk-vtk-tooltip-right]::before {
    top: 50%;
    left: calc(100% + 16px);
    right: initial;
    transform: translate(-15px, -50%);
}
[itk-vtk-tooltip-right]:hover::before {
    transform: translate(0, -50%);
}

[itk-vtk-tooltip-top-screenshot]::before {
    top: initial;
    left: 260%;
    right: initial;
    bottom: calc(100% + 8px);
    transform: translate(-50%, 15px);
}
[itk-vtk-tooltip-top-screenshot]:hover::before {
    transform: translate(-50%, 0);
}
[itk-vtk-tooltip-top-annotations]::before {
    top: initial;
    left: 160%;
    right: initial;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 15px);
}
[itk-vtk-tooltip-top-annotations]:hover::before {
    transform: translate(-50%, 0);
}
[itk-vtk-tooltip-top-axes]::before {
    top: initial;
    left: 160%;
    right: initial;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 15px);
}
[itk-vtk-tooltip-top-axes]:hover::before {
    transform: translate(-50%, 0);
}
[itk-vtk-tooltip-top-fullscreen]::before {
    top: initial;
    left: 120%;
    right: initial;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 15px);
    width: 400%;
}
[itk-vtk-tooltip-top-fullscreen]:hover::before {
    transform: translate(-50%, 0);
}
[itk-vtk-tooltip-top]::before {
    top: initial;
    left: 60%;
    right: initial;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 15px);
}
[itk-vtk-tooltip-top]:hover::before {
    transform: translate(-50%, 0);
}
[itk-vtk-tooltip-top-fullscreen]::before {
    top: initial;
    left: 120%;
    right: initial;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 15px);
    width: 400%;
}

.layerEntryCommon {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: space-between;
  border-style: solid;
  border-width: 2px;
  border-radius: 10%;
}

.layerEntryBrightBG {
  border-color: #666;
}

.layerEntryDarkBG {
  border-color: #AAA;
}

.layerLabelCommon {
  border: none;
  background: transparent;
  font-size: 1.2em;
  margin-right: 10px;
  z-index: 1000;
}

.layerLabelBrightBG {
  color: black;
}

.layerLabelDarkBG {
  color: white;
}

.visibleButton {
  flex-basis: 2.5em;
  cursor: pointer;
  z-index: 1000;
}

.visibleButton img {
  height: 1.2em;
  width: 1.2em;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
}

.layerIcon img {
  height: 1.2em;
  width: 1.2em;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 8px;
  padding-right: 6px;
}

.tooltipButtonBrightBG::before {
}

.tooltipButtonDarkBG::before {
  filter: invert(100%);
  -webkit-filter: invert(100%);
}

.invertibleButtonBrightBG {
}

.invertibleButtonDarkBG {
  filter: invert(100%);
  -webkit-filter: invert(100%);
}

.collapseUIButton {
  height: 1.5em;
  width: 1.5em;
  cursor: pointer;
  z-index: 1000;
}

.screenshotButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.screenshotButton img {
  height: 1.2em;
  width: 1.2em;
}

.annotationsButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.annotationsButton img {
  height: 1.2em;
  width: 1.2em;
}

.axesButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.axesButton img {
  height: 1.2em;
  width: 1.2em;
}

.fullscreenButton {
  flex: 1;
  width: 8m;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.fullscreenButton img {
  height: 1.2em;
  width: 1.2em;
}

.interpolationButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 2px;
  padding-right: 4px;
  cursor: pointer;
  z-index: 1000;
}

.interpolationButton img {
  height: 1.2em;
  width: 1.2em;
}

.cropButton {
  flex: 1;
  height: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.cropButton img {
  height: 1.2em;
  width: 1.2em;
}

.resetCropButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.resetCropButton img {
  height: 1.2em;
  width: 1.2em;
}

.distanceEntry {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: self-start;
}

.distanceButton {
  flex: 1;
  height: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.distanceButton img {
  height: 1.2em;
  width: 1.2em;
}

.distanceLabelCommon {
  border: none;
  background: transparent;
  font-size: 1.2em;
  margin-right: 10px;
  z-index: 1000;
}

.distanceLabelBrightBG {
  color: black;
}

.distanceLabelDarkBG {
  color: white;
}

.distanceInput {
  background: transparent;
  color: white;
  font-size: 1.0em;
  width: 80px;
}

.resetCameraButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.resetCameraButton img {
  height: 1.2em;
  width: 1.2em;
}

.bgColorButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.bgColorButton img {
  height: 1.2em;
  width: 1.2em;
}

.viewModeButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 6px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.viewModeButton img {
  width: 1.3em;
  height: 1.3em;
}

.shadowButton {
  width: 8mm;
  padding: 4px;
  padding-left: 0px;
  cursor: pointer;
  z-index: 1000;
}

.shadowButton img {
  width: 1.3em;
  height: 1.3em;
}


.viewPlanesButton {
  flex: 1;
  width: 8mm;
  padding-top: 2px;
  padding-bottom: 2px;
  padding-left: 0px;
  padding-right: 6px;
  cursor: pointer;
  z-index: 1000;
}

.viewPlanesButton img {
  width: 1.3em;
  height: 1.3em;
}

.toggleInput {
  margin: 0px;
  width: 0%;
  opacity: 0;
  box-sizing: content-box;
}

.toggleButton {
  cursor: pointer;
  border-radius: 0.2em;
  opacity: 0.45;
}

input:checked.toggleInput + label {
  opacity: 1.0;
}

.numberInput {
  color: white;
  background: transparent;
  font-size: 1.0em;
  padding-left: 2px;
  width: 70px;
}

.selector {
  display: flex;
  direction: row;
  font-size: 1.2em;
  z-index: 1000;
}

.componentTab {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.disableInterface {
  pointer-events: none;
  opacity: 0.5;
}

.componentTab + .compTabLabel {
  background: rgba(40, 40, 40, 0.5);
  padding: 5px;
  margin-right: 2px;
  border-radius: 5px 5px 0px 0px;
  color: #777;
}

.componentTab:hover + .compTabLabel {
  background: rgba(90, 90, 90, 0.5);
}

.componentTab:checked + .compTabLabel {
  background: rgba(127, 127, 127, 0.5);
  color: #FFF;
}

.componentVisibility {
  position: relative;
  top: -2px;
  margin-left: 10px;
}

select {
  -moz-appearance: none;
}

select option {
  color: black;
}

select:focus {
  outline: none;
  border: none;
}

.sampleDistanceButton {
  width: 8mm;
  padding: 4px;
  padding-left: 6px;
  z-index: 1000;
}

.sampleDistanceButton img {
  width: 1.2em;
  height: 1.2em;
}

.blendModeButton {
  width: 8mm;
  padding: 4px;
  padding-left: 8px;
  padding-right: 0px;
  z-index: 1000;
}

.blendModeButton img {
  width: 1.2em;
  height: 1.2em;
}

.gradientOpacitySlider {
  width: 8mm;
  padding: 4px;
  padding-left: 6px;
  padding-right: 0px;
  z-index: 1000;
}

.gradientOpacitySlider img {
  width: 1.2em;
  height: 1.2em;
}

.sliderEntry {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.slider {
  flex: 1;
  min-height: 1rem;
  width: 5px;
}

.planeLabel {
  padding-left: 6px;
  padding: 2px;
  display: block;
  font-size: 1.1em;
  font-family: monospace;
  color: black;
  border-width: 2px;
  border-radius: 10%;
}

.xPlaneLabel {
  composes: planeLabel;
  background-color: #ef5350;
}

.yPlaneLabel {
  composes: planeLabel;
  background-color: #fdd835;
}

.zPlaneLabel {
  composes: planeLabel;
  background-color: #4caf50;
}

.gradientOpacityScale {
  z-index: 1100;
  position: relative;
}

.gradientOpacityScale input {
  position: absolute;
  bottom: 20px;
  left: -24px;
  width: 12px;
  writing-mode: bt-lr;
  -webkit-appearance: slider-vertical;
}

.bigFileDrop {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  background-image: url('./dropBG.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border-radius: 10px;
  width: 50px;
  padding: calc(50vh - 2em) calc(50vw - 25px - 2em);
}

.fullscreenContainer {
  position: absolute;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  overflow: hidden;
  background: black;
  margin: 0;
  padding: 0;
}
